6d996f70f6b9f99e4ae0aad1f28d224c84c22194551ca4e21f56127eb563faea

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06-07-2024 17:44

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General

Target

BlueStacksMicroInstaller_5.21.218.1001_native.exe
Size

911KB
MD5

05cd50890a8efa95d686384d2d96c530
SHA1

ad496d950142315aa8662edb002549e84d3de424
SHA256

6d996f70f6b9f99e4ae0aad1f28d224c84c22194551ca4e21f56127eb563faea
SHA512

6dc050e3c6577299ba4bcc306d1866ddea3eb2499f75f1de96e435d03f03b0ccf4021602be0eb6c816d7a0e81ce29590de247a084d67e88a64fa6ced4043bcf3
SSDEEP

24576:bivtCXWeGKM8WolR74uEFQWa3GZllJCGt3:+tCXWPIWofUuCQWa25JN3

Score

5^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

BlueStacksMicroInstaller_5.21.218.1001_native.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2494989678-839960665-2515455429-1000\Control Panel\International\Geo\Nation	BlueStacksMicroInstaller_5.21.218.1001_native.exe

Executes dropped EXE 3 IoCs

Processes:

BlueStacksInstaller.exeHD-CheckCpu.exeHD-CheckCpu.exe

pid process

3788 BlueStacksInstaller.exe
1452 HD-CheckCpu.exe
3956 HD-CheckCpu.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

BlueStacksInstaller.exe

pid	process
3788	BlueStacksInstaller.exe
3788	BlueStacksInstaller.exe
3788	BlueStacksInstaller.exe
3788	BlueStacksInstaller.exe
3788	BlueStacksInstaller.exe
3788	BlueStacksInstaller.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

BlueStacksInstaller.exe

description pid process

Token: SeDebugPrivilege 3788 BlueStacksInstaller.exe

description	pid	process
Token: SeDebugPrivilege	3788	BlueStacksInstaller.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

BlueStacksMicroInstaller_5.21.218.1001_native.exeBlueStacksInstaller.exe

description	pid	process	target process
PID 940 wrote to memory of 3788	940	BlueStacksMicroInstaller_5.21.218.1001_native.exe	BlueStacksInstaller.exe
PID 940 wrote to memory of 3788	940	BlueStacksMicroInstaller_5.21.218.1001_native.exe	BlueStacksInstaller.exe
PID 3788 wrote to memory of 1452	3788	BlueStacksInstaller.exe	HD-CheckCpu.exe
PID 3788 wrote to memory of 1452	3788	BlueStacksInstaller.exe	HD-CheckCpu.exe
PID 3788 wrote to memory of 1452	3788	BlueStacksInstaller.exe	HD-CheckCpu.exe
PID 3788 wrote to memory of 3956	3788	BlueStacksInstaller.exe	HD-CheckCpu.exe
PID 3788 wrote to memory of 3956	3788	BlueStacksInstaller.exe	HD-CheckCpu.exe
PID 3788 wrote to memory of 3956	3788	BlueStacksInstaller.exe	HD-CheckCpu.exe

C:\Users\Admin\AppData\Local\Temp\BlueStacksMicroInstaller_5.21.218.1001_native.exe
"C:\Users\Admin\AppData\Local\Temp\BlueStacksMicroInstaller_5.21.218.1001_native.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:940
- C:\Users\Admin\AppData\Local\Temp\7zSCA393487\BlueStacksInstaller.exe
  "C:\Users\Admin\AppData\Local\Temp\7zSCA393487\BlueStacksInstaller.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3788
- - C:\Users\Admin\AppData\Local\Temp\7zSCA393487\HD-CheckCpu.exe
    "C:\Users\Admin\AppData\Local\Temp\7zSCA393487\HD-CheckCpu.exe" --cmd checkHypervEnabled
    3⤵
    - Executes dropped EXE
    PID:1452
- - C:\Users\Admin\AppData\Local\Temp\7zSCA393487\HD-CheckCpu.exe
    "C:\Users\Admin\AppData\Local\Temp\7zSCA393487\HD-CheckCpu.exe" --cmd checkSSE4
    3⤵
    - Executes dropped EXE
    PID:3956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zSCA393487\Assets\backicon.png

Filesize
15KB

MD5
7ff5dc8270b5fa7ef6c4a1420bd67a7f

SHA1
b224300372feaa97d882ca2552b227c0f2ef4e3e

SHA256
fa64884054171515e97b78aaa1aad1ec5baa9d1daf9c682e0b3fb4a41a9cb1c1

SHA512
f0d5a842a01b99f189f3d46ab59d2c388a974951b042b25bbce54a15f5a3f386984d19cfca22ba1440eebd79260066a37dfeff6cb0d1332fca136add14488eef

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCA393487\Assets\change_hover.png

Filesize
310B

MD5
57092634754fc26e5515e3ed5ca7d461

SHA1
3ae4d01db9d6bba535f5292298502193dfc02710

SHA256
8e5847487da148ebb3ea029cc92165afd215cdc08f7122271e13eb37f94e6dc1

SHA512
553baf9967847292c8e9249dc3b1d55069f51c79f4d1d3832a0036e79691f433a3ce8296a68c774b5797caf7000037637ce61b8365885d2a4eed3ff0730e5e2a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCA393487\Assets\close_red.png

Filesize
15KB

MD5
93216b2f9d66d423b3e1311c0573332d

SHA1
5efaebec5f20f91f164f80d1e36f98c9ddaff805

SHA256
d0b6d143642d356b40c47459a996131a344cade6bb86158f1b74693426b09bfb

SHA512
922a7292de627c5e637818556d25d9842a88e89f2b198885835925679500dfd44a1e25ce79e521e63c4f84a6b0bd6bf98e46143ad8cee80ecdbaf3d3bc0f3a32

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCA393487\Assets\custom.png

Filesize
17KB

MD5
03b17f0b1c067826b0fcc6746cced2cb

SHA1
e07e4434e10df4d6c81b55fceb6eca2281362477

SHA256
fbece8bb5f4dfa55dcfbf41151b10608af807b9477e99acf0940954a11e68f7b

SHA512
67c78ec01e20e9c8d9cdbba665bb2fd2bb150356f30b88d3d400bbdb0ae92010f5d7bcb683dcf6f895722a9151d8e669d8bef913eb6e728ba56bb02f264573b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCA393487\Assets\installer_bg.jpg

Filesize
78KB

MD5
3478e24ba1dd52c80a0ff0d43828b6b5

SHA1
b5b13bbf3fb645efb81d3562296599e76a2abac0

SHA256
4c7471c986e16de0cd451be27d4b3171e595fe2916b4b3bf7ca52df6ec368904

SHA512
5c8c9cc76d6dbc7ce482d0d1b6c2f3d48a7a510cd9ed01c191328763e1bccb56daeb3d18c33a9b10ac7c9780127007aa13799fa82d838de27fbe0a02ad98119d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCA393487\Assets\installer_logo.png

Filesize
14KB

MD5
e33432b5d6dafb8b58f161cf38b8f177

SHA1
d7f520887ce1bfa0a1abd49c5a7b215c24cbbf6a

SHA256
9f3104493216c1fa114ff935d23e3e41c7c3511792a30b10a40b507936c0d183

SHA512
520dc99f3176117ebc28da5ef5439b132486ef67d02fa17f28b7eab0c59db0fa99566e44c0ca7bb75c9e7bd5244e4a23d87611a55c841c6f9c9776e457fb1cbf

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCA393487\Assets\installer_minimize.png

Filesize
113B

MD5
38b539a1e4229738e5c196eedb4eb225

SHA1
f027b08dce77c47aaed75a28a2fce218ff8c936c

SHA256
a064f417e3c2b8f3121a14bbded268b2cdf635706880b7006f931de31476bbc2

SHA512
2ce433689a94fae454ef65e0e9ec33657b89718bbb5a038bf32950f6d68722803922f3a427278bad432395a1716523e589463fcce4279dc2a895fd77434821cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCA393487\Assets\loader.png

Filesize
279B

MD5
03903fd42ed2ee3cb014f0f3b410bcb4

SHA1
762a95240607fe8a304867a46bc2d677f494f5c2

SHA256
076263cc65f9824f4f82eb6beaa594d1df90218a2ee21664cf209181557e04b1

SHA512
8b0e717268590e5287c07598a06d89220c5e9a33cd1c29c55f8720321f4b3efc869d20c61fcc892e13188d77f0fdc4c73a2ee6dece174bf876fcc3a6c5683857

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCA393487\Assets\setpath.png

Filesize
15KB

MD5
b2e7f40179744c74fded932e829cb12a

SHA1
a0059ab8158a497d2cf583a292b13f87326ec3f0

SHA256
5bbb2f41f9f3a805986c3c88a639bcc22d90067d4b8de9f1e21e3cf9e5c1766b

SHA512
b95b7ebdb4a74639276eaa5c055fd8d9431e2f58a5f7c57303f7cf22e8b599f6f2a7852074cf71b19b49eb31cc9bf2509aedf41d608981d116e49a00030c797c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCA393487\BlueStacksInstaller.exe

Filesize
623KB

MD5
f51cd98b34ad6b81081e1a017f5c45bc

SHA1
e734d4f3d81d517b2a2eafaf20310bc94a419207

SHA256
02ca17eaa0f8eec7e7d321756fd73bb8292f2de7f3585d567ecf6f56b4f037f6

SHA512
1b87f6b7c0ac1825a3bd76bebda7e90ebc8293b889a3f39a4513ce04800fcd516e5d8597db379275ed324afb5c7f868afb31d1c965922b434de6968c94c47184

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCA393487\BlueStacksInstaller.exe.config

Filesize
324B

MD5
1b456d88546e29f4f007cd0bf1025703

SHA1
e5c444fcfe5baf2ef71c1813afc3f2c1100cab86

SHA256
d6d316584b63bb0d670a42f88b8f84e0de0db4275f1a342084dc383ebeb278eb

SHA512
c545e416c841b8786e4589fc9ca2b732b16cdd759813ec03f558332f2436f165ec1ad2fbc65012b5709fa19ff1e8396639c17bfad150cabeb51328a39ea556e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCA393487\HD-CheckCpu.exe

Filesize
200KB

MD5
81234fd9895897b8d1f5e6772a1b38d0

SHA1
80b2fec4a85ed90c4db2f09b63bd8f37038db0d3

SHA256
2e14887f3432b4a313442247fc669f891dbdad7ef1a2d371466a2afa88074a4c

SHA512
4c924d6524dc2c7d834bfc1a0d98b21753a7bf1e94b1c2c6650f755e6f265512d3a963bc7bc745351f79f547add57c37e29ba9270707edbf62b60df3a541bc16

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCA393487\JSON.dll

Filesize
411KB

MD5
f5fd966e29f5c359f78cb61a571d1be4

SHA1
a55e7ed593b4bc7a77586da0f1223cfd9d51a233

SHA256
d2c8d26f95f55431e632c8581154db7c19547b656380e051194a9d2583dd2156

SHA512
d99e6fe250bb106257f86135938635f6e7ad689b2c11a96bb274f4c4c5e9a85cfacba40122dbc953f77b5d33d886c6af30bff821f10945e15b21a24b66f6c8be

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCA393487\Locales\i18n.en-US.txt

Filesize
19KB

MD5
0a041eb21be673b37a9a43f751d83400

SHA1
cf98837aeb730d05ec55252277d2ed41ef58f0ba

SHA256
708132b01a012c3a43a5a7e5550318f6fe72a98139bba7e4f5fb352b9e46db29

SHA512
476051e9cc528c8b72a1ff0aec6f9e05cce4e7069ff4af7e75558664f02a7018304a4d840e694ee811d08895b628da072b1c72b8f605e4212b75a84db66b8b14

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zSCA393487\ThemeFile

Filesize
80KB

MD5
c3e6bab4f92ee40b9453821136878993

SHA1
94493a6b3dfb3135e5775b7d3be227659856fbc4

SHA256
de1a2e6b560e036da5ea6b042e29e81a5bfcf67dde89670c332fc5199e811ba6

SHA512
a64b6b06b3a0f3591892b60e59699682700f4018b898efe55d6bd5fb417965a55027671c58092d1eb7e21c2dbac42bc68dfb8c70468d98bed45a8cff0e945895

Download Submit
memory/3788-129-0x00007FF84EE80000-0x00007FF84F941000-memory.dmp

Filesize
10.8MB

Download
memory/3788-142-0x000000001D1C0000-0x000000001D1F8000-memory.dmp

Filesize
224KB

Download
memory/3788-143-0x000000001D190000-0x000000001D19E000-memory.dmp

Filesize
56KB

Download
memory/3788-141-0x00007FF84EE80000-0x00007FF84F941000-memory.dmp

Filesize
10.8MB

Download
memory/3788-139-0x000000001DE10000-0x000000001E338000-memory.dmp

Filesize
5.2MB

Download
memory/3788-135-0x00007FF84EE80000-0x00007FF84F941000-memory.dmp

Filesize
10.8MB

Download
memory/3788-128-0x0000000002700000-0x0000000002768000-memory.dmp

Filesize
416KB

Download
memory/3788-126-0x0000000000320000-0x00000000003BE000-memory.dmp

Filesize
632KB

Download
memory/3788-152-0x000000001D480000-0x000000001D488000-memory.dmp

Filesize
32KB

Download
memory/3788-124-0x00007FF84EE83000-0x00007FF84EE85000-memory.dmp

Filesize
8KB

Download
memory/3788-165-0x00007FF84EE83000-0x00007FF84EE85000-memory.dmp

Filesize
8KB

Download
memory/3788-166-0x00007FF84EE80000-0x00007FF84F941000-memory.dmp

Filesize
10.8MB

Download
memory/3788-168-0x00007FF84EE80000-0x00007FF84F941000-memory.dmp

Filesize
10.8MB

Download

pid	process
3788	BlueStacksInstaller.exe
1452	HD-CheckCpu.exe
3956	HD-CheckCpu.exe